Question

Consider the following reaction: AgI(s) ⇌ Ag+(aq)+I-(aq) KI is added to the solution to form AgI(s)....

Consider the following reaction:

AgI(s) ⇌ Ag+(aq)+I-(aq)

KI is added to the solution to form AgI(s).

Write up to 8 correct, distinct and relevant facts about this reaction and any other information given.

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Answer #1

The relevant and distinct Facts about this Reaction is :

  1. Though, It is an Equilibrium Reaction, due to the high stability of AgI(s), the Equilibrium is highly shifted towards the Reverse Direction. Thus, the Equilibrium Constant is very low for this Reaction m
  2. Since, the Equilibrium is shifted towards the Reverse Direction, the Equilibrium [Ag+(aq)] Concentration is very low.
  3. AgI(s) has an Extremely low Solubility Product, due to the Covalency introduced in AgI(s)
  4. Since, AgI(s) has an Extremely low Solubility Product, the Reaction can be used quantitatively for the estimation of Silver or Iodide, in a sample.
  5. The Precipitate of AgI(s) is Yellow Coloured. Thus, the Reaction can also be used qualitatively to detect the presence of Iodide ion.
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